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Don't read relhasoids on version 12. Also don't try to select data we are not allowed to read.

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This commit is contained in:
eelke 2019-08-10 18:12:26 +02:00
parent 1c48b1945c
commit 5494e5076b
3 changed files with 51 additions and 25 deletions
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50
pglablib/catalog/PgSequenceContainer.cpp
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@ -10,11 +10,17 @@ std::string PgSequenceContainer::getLoadQuery() const
std::string select = "SELECT pg_class.oid, relname, relnamespace, reltype, reloftype, "
" relowner, relam, relfilenode, reltablespace, relpages, "
" reltuples, reltoastrelid, relisshared, relpersistence, "
" relkind, relhasoids, relispopulated, relfrozenxid, relminmxid, "
" reloptions, relacl \n";
" relkind, relispopulated, relfrozenxid, relminmxid, "
" reloptions, relacl, \n"
" has_sequence_privilege(pg_class.oid, 'USAGE') AS priv_usage, \n"
" has_sequence_privilege(pg_class.oid, 'SELECT') AS priv_select, \n"
" has_sequence_privilege(pg_class.oid, 'UPDATE') AS priv_update \n";
std::string from =
"FROM pg_catalog.pg_class \n";
// Starting with 12 oid are not a special column anymore
if (lessThenVersion(120000))
select += ", relhasoids ";
// Starting with pg10 constanst data of sequences is retrieved from pg_sequence
// instead of SELECTing the sequence
if (minimumVersion(100000)) {
@ -43,8 +49,10 @@ PgSequence PgSequenceContainer::loadElem(const Pgsql::Row &row)
col >> v.type >> v.oftype
>> owner >> v.am >> v.filenode >> v.tablespace >> v.pages_est
>> v.tuples_est >> v.toastrelid >> v.isshared >> v.persistence
>> v.kind >> v.hasoids >> v.ispopulated >> v.frozenxid >> v.minmxid
>> v.options >> acl_list;
>> v.kind >> v.ispopulated >> v.frozenxid >> v.minmxid
>> v.options >> acl_list >> v.priv_usage >> v.priv_select >> v.priv_update;
if (lessThenVersion(120000))
col >> v.hasoids;
// Read pg_sequence fields
if (minimumVersion(100000))
col >> v.typid >> v.start >> v.increment >> v.max >> v.min >> v.cache >> v.cycled;
@ -60,23 +68,25 @@ void PgSequenceContainer::loadAll(Pgsql::Connection &conn)
IPgContainer::loadAll(conn);
for (auto && seq : m_container) {
auto fqn = seq.fullyQualifiedQuotedObjectName().toUtf8();
// SELECTs on a sequence return less fields starting with pg10
// the missing fields are now in pg_sequence
std::string q("SELECT last_value, log_cnt, is_called");
if (lessThenVersion(100000)) {
q += ", start_value, increment_by, max_value, \n"
" min_value, cache_value, is_cycled";
}
q += "\nFROM " + std::string(fqn.data(), static_cast<size_t>(fqn.count()));
auto && res = conn.query(q.c_str());
if (res.rows() == 1) {
Pgsql::Row row(res, 0);
Pgsql::Col col(row);
col >> seq.last >> seq.log >> seq.called;
if (seq.priv_select) {
auto fqn = seq.fullyQualifiedQuotedObjectName().toUtf8();
// SELECTs on a sequence return less fields starting with pg10
// the missing fields are now in pg_sequence
std::string q("SELECT last_value, log_cnt, is_called");
if (lessThenVersion(100000)) {
col >> seq.start >> seq.increment >> seq.max >> seq.min >> seq.cache >> seq.cycled;
seq.typid = Pgsql::int8_oid; // bigint used to be the only choice
q += ", start_value, increment_by, max_value, \n"
" min_value, cache_value, is_cycled";
}
q += "\nFROM " + std::string(fqn.data(), static_cast<size_t>(fqn.count()));
auto && res = conn.query(q.c_str());
if (res.rows() == 1) {
Pgsql::Row row(res, 0);
Pgsql::Col col(row);
col >> seq.last >> seq.log >> seq.called;
if (lessThenVersion(100000)) {
col >> seq.start >> seq.increment >> seq.max >> seq.min >> seq.cache >> seq.cycled;
seq.typid = Pgsql::int8_oid; // bigint used to be the only choice
}
}
}
}